External power connector (+12V, +5V)
2 x full-size HDMI 2.0 connectors
2 x USB 2.0 connectors, with header for two additional connectors
Gigabit Ethernet RJ45 with PoE support
Micro USB socket for updating Compute Module 4
MicroSD card socket for Compute Module 4 Lite (without eMMC) variants
PCIe Gen 2 x1 socket
Standard fan connector
2 x MIPI DSI display FPC connectors (22-pin 0.5 mm pitch cable)
2 x MIPI CSI-2 camera FPC connectors (22-pin 0.5 mm pitch cable)
Standard Raspberry Pi HAT connectors
Real-time clock with battery socket and ability to wake Compute Module 4
Various jumpers to disable specific features, e.g. wireless connectivity, EEPROM writing